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Finding the Fourth Proportional to 551,451.60, 770,457.60 and 551,451.60

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Solution

The fourth proportional to 551,451.60, 770,457.60 and 551,451.60 is: 770,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,451.60 : 770,457.60 = 551,451.60 : x
  2. Step 2: Convert to fraction form
    551,451.60/770,457.60 = 551,451.60/x
  3. Step 3: Cross multiply
    551,451.60x = 770,457.60 × 551,451.60
  4. Step 4: Simplify right side
    551,451.60x = 424,870,076,252.16
  5. Step 5: Solve for x
    x = 424,870,076,252.16/551,451.60
  6. Step 6: Final answer
    x = 770,457.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.